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- Yokogawa
- AAI841-H50/K4A00
- Analog Input/Output (I/O) Module
- Japan
- 50 mm × 130 mm × 160 mm
- 0.6kg
- Xiamen, China
- New & In Stock
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Product Profile: Yokogawa AAI841-H50/K4A00
Brand & Series
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Brand: Yokogawa Electric Corporation
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Series: AAI841 Analog I/O Module Series
Product Description
The AAI841-H50/K4A00 is a high-density analog input/output module designed for use in distributed control systems (DCS) and programmable logic controllers (PLC). It features 16 channels—8 for analog input and 8 for analog output—supporting 4–20 mA current signals. The module utilizes the K4A00 terminal block interface, facilitating easy installation and wiring.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model | AAI841-H50/K4A00 |
| Input Channels | 8 |
| Output Channels | 8 |
| Input Signal Type | 4–20 mA DC |
| Output Signal Type | 4–20 mA DC |
| Input Accuracy | ±0.1% of span |
| Output Accuracy | ±0.1% of span |
| Input Impedance | 250 Ω for current input |
| Output Impedance | 500 Ω for current output |
| Isolation | Non-isolated |
| Mounting | DIN rail or I/O baseplate |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Dimensions (W x D x H) | 50 mm × 130 mm × 160 mm |
| Weight | 0.6 kg |
| Power Supply | 24 V DC nominal |
| Power Consumption | 7 W |
| Update Time | 100 ms for all 16 channels |
| HART Communication | Supported |
Applications
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Chemical and Petrochemical Processing: Monitoring and controlling process variables such as flow, pressure, and temperature.
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Power Generation and Utilities: Integration into control systems for power plants and substations.
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Oil and Gas Industry: Real-time data acquisition for upstream and downstream operations.
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Pharmaceutical Manufacturing: Ensuring precise control of manufacturing processes.
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Food and Beverage Processing: Maintaining quality control in production lines.
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Water and Wastewater Treatment: Monitoring water quality parameters and treatment processes.
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Pulp and Paper Industry: Managing process variables in paper production.
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Metals and Mining Automation: Control of processes in metal extraction and processing.
Advantages
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High Accuracy: ±0.1% of span for both input and output signals ensures precise data handling.
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Flexible Signal Handling: Supports 4–20 mA DC signals, compatible with a wide range of field devices.
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Easy Installation: K4A00 terminal block interface simplifies wiring and maintenance.
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Compact Design: Space-saving dimensions suitable for installations with limited space.
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Robust Performance: Designed to operate reliably in industrial environments with varying temperatures.
Related Models from the AAI841 Series
| Model | Input Channels | Output Channels | Signal Type | HART Communication | Terminal Block Interface |
|---|---|---|---|---|---|
| AAI841-H50/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S50/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H53/K4A00 | 8 | 8 | 4–20 mA | Yes | K4A00 |
| AAI841-S53/K4A00 | 8 | 8 | 4–20 mA | No | K4A00 |
| AAI841-H00/A4S00 | 8 | 8 | 4–20 mA | Yes | A4S00 |
Popular Models from Yokogawa
| Model | Type | Channels | Signal Type | HART Communication | Mounting Type |
|---|---|---|---|---|---|
| AAI543-H50/A4S00 | Analog Output | 16 | 4–20 mA | Yes | DIN rail |
| AAI143-H50/K4A00 | Analog Input | 16 | 4–20 mA | Yes | DIN rail |
| AAI141-H50/K4A00 | Analog Input | 8 | 4–20 mA | Yes | DIN rail |
| AAI835-H00 | Analog Input | 32 | 4–20 mA | No | DIN rail |
| AAI543-H00 | Analog Output | 16 | 4–20 mA | No | DIN rail |
Frequently Asked Questions (FAQs)
Q1: What is the input signal range for the AAI841-H50/K4A00?
A1: The module accepts 4–20 mA DC input signals.
Q2: How many input and output channels does this module have?
A2: It has 8 input channels and 8 output channels.
Q3: Is HART communication supported?
A3: Yes, this model supports HART communication.
Q4: What is the accuracy of the input and output signals?
A4: Both input and output signals have an accuracy of ±0.1% of span.
Q5: What is the operating temperature range?
A5: The module operates within -20°C to +70°C.
Q6: What is the storage temperature range?
A6: The module can be stored between -40°C and +85°C.
Q7: What is the weight of the module?
A7: The module weighs 0.6 kg.
Q8: What are the dimensions of the module?
A8: The dimensions are 50 mm (W) × 130 mm (D) × 160 mm (H).
Q9: What type of terminal block interface does it use?
A9: It uses the K4A00 terminal block interface for easy and reliable wiring connections.
Q10: Can this module be mounted on a DIN rail?
A10: Yes, the AAI841-H50/K4A00 supports mounting on a standard DIN rail or an I/O baseplate, making installation flexible and straightforward.